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首页> 外文期刊>Tropical Animal Health and Production >Effects of high dietary sodium chloride content on performance and sodium and potassium balance in growing pigs
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Effects of high dietary sodium chloride content on performance and sodium and potassium balance in growing pigs

机译：日粮氯化钠含量高对生长猪生产性能和钠钾平衡的影响

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摘要

Thirty castrated male Moo Lath pigs (6-8 weeks of age) were used in a 15-week growth trial to study the effect of high dietary sodium chloride (NaCl) content on feed and water intake, performance, sodium (Na) and potassium (K) balance, and plasma aldosterone concentration. The pigs were randomly allocated (ten per treatment) to diets containing 0.24 % Na (Na0.24), 0.28 % Na (Na0.28), and 0.32 % Na (Na0.32) per kg diet. Feed and water was provided ad libitum, and water consumption, feed offered, and feed residues were recorded daily. Every third week, the pigs were weighed, blood samples were collected, and a 3-day total collection of urine and feces was performed. Water intake was higher (P = 0.001) in pigs fed with diets Na0.28 (3.7 L/day) and Na0.32 (3.9 L/day) than in pigs fed with diet Na0.24 (3.4 L/day), and dry matter (DM) intake was higher on diet Na0.32 (P = 0.041) than on the other diets. The average daily body weight (BW) gain was higher on diet Na0.32 than on the other diets (P = 0.031). The feed conversion ratio (in kilogram feed DM to kilogram BW gain) was 4.6, 4.6, and 4.1 on treatments Na0.24, Na0.28, and Na0.32, respectively (P = 0.14). The highest Na balance was observed on diet Na0.32 followed by diets Na0.28 and Na0.24 (P < 0.001), while there was no treatment-related pattern for the K balance. The Na/K ratio in feces and urine increased (P < 0.001), and the K/Na ratio in feces (P < 0.001) decreased with increasing Na content in the diet. Plasma aldosterone concentration decreased (P < 0.001) with increasing dietary content of Na. These results indicate that high NaCl intake and free access to water will increase Na balance but do not negatively influence feed intake and performance of growing local pigs.
机译：在15周的生长试验中使用了30只cast割的Moo Lath雄性猪（6-8周龄），研究高日粮氯化钠（NaCl）含量对饲料和水分摄入，生产性能，钠（Na）和钾的影响（K）平衡和血浆醛固酮浓度。将猪随机分配（每处理十只）日粮，每日粮含0.24％Na（Na0.24），0.28％Na（Na0.28）和0.32％Na（Na0.32）。随意提供饲料和水，每天记录用水量，饲料和饲料残留量。每三周对猪称重一次，收集血样，并进行为期3天的尿液和粪便的总收集。饲喂Na0.28（3.7 L /天）和Na0.32（3.9 L /天）的猪的饮水量高于饲喂Na0.24（3.4 L /天）的猪的水摄入量（P = 0.001），以及饮食中Na0.32的干物质（DM）摄入量高于其他饮食（P = 0.041）。饮食Na0.32的平均每日体重（BW）增高高于其他饮食（P = 0.031）。在Na0.24，Na0.28和Na0.32处理下，饲料转化率（以千克饲料DM换算为千克体重）分别为4.6、4.6和4.1（P = 0.14）。饮食Na0.32观察到最高的Na平衡，其次是饮食Na0.28和Na0.24（P <0.001），而钾平衡没有与治疗相关的模式。粪便和尿液中的Na / K比增加（P <0.001），粪便中的K / Na比（P <0.001）随着日粮中Na含量的增加而降低。血浆醛固酮浓度随日粮中Na含量的增加而降低（P <0.001）。这些结果表明，高NaCl摄入量和自由饮水将增加Na平衡，但不会对本地生猪的采食量和生产性能产生负面影响。

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